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Search: Posts Made By: The Mad Porter
Forum: Engine Tech 01-24-2015, 01:44 PM
Replies: 2
Views: 130
Posted By The Mad Porter
Cool X2... The cam lobe lifter interface is no...

X2...

The cam lobe lifter interface is no where near the edge of the crown.



S
Forum: Engine Tech 01-24-2015, 01:41 PM
Replies: 2
Views: 104
Posted By The Mad Porter
Cool Not a concern with your eddy heads and mild cam. ...

Not a concern with your eddy heads and mild cam.


The problem arises when you attempt to place more than 4" + a tic of valve in the std chamber and then use a long duration cam.


This doesn't...
Forum: Engine Tech 01-24-2015, 12:05 AM
Replies: 2
Views: 105
Posted By The Mad Porter
Cool No. You can have std location reliefs flycut...

No.

You can have std location reliefs flycut in or do it with the isky tool.

Here is a link to a pic on Carls FB page showing the difference in valve locations.

...
Forum: Car Buildup Forum 01-23-2015, 01:27 PM
Replies: 362
Views: 72,238
Posted By The Mad Porter
Cool 1.75 sec 60' time I know there is a 11.9X...

1.75 sec 60' time

I know there is a 11.9X run there even with the 3.5 gears. I will attempt to get there while the weather is cool this spring.

My runs were done with track temps in the mid...
Forum: Engine Tech 01-22-2015, 08:27 PM
Replies: 2
Views: 273
Posted By The Mad Porter
Cool Those flanged exhaust manifolds have 2 1/8"...

Those flanged exhaust manifolds have 2 1/8" outlets vs the early manifolds 2.5" outlet requiring the metal doughnut gasket.

They hurt HP even in a mild stock application. Best manifolds to use if...
Forum: Engine Tech 01-21-2015, 08:03 PM
Replies: 4
Views: 169
Posted By The Mad Porter
Cool In many applications where the front main is...

In many applications where the front main is loaded due to accessory drive(s) belt tension I prefer to have more oil available to float the front main bearing therefore leaving the oil passages as...
Forum: Engine Tech 01-21-2015, 02:45 PM
Replies: 4
Views: 169
Posted By The Mad Porter
October 6th 1971 There is no i in the date...

October 6th 1971

There is no i in the date coding system.



S
Forum: Engine Tech 01-17-2015, 04:06 PM
Replies: 5
Views: 265
Posted By The Mad Porter
Cool An oem 77 460 has a real static c/r of about 7.79...

An oem 77 460 has a real static c/r of about 7.79 to 1. The large piston dish (22 to 23 cc's), .035" ish deck height and large chamber are responsible. DCR with the retarded timing set is a miserable...
Forum: Engine Tech 01-16-2015, 10:51 PM
Replies: 8
Views: 550
Posted By The Mad Porter
Cool ...and with +.100" valves and larger diameter...

...and with +.100" valves and larger diameter springs the possibility for interference will be greater with the P-51's.




S
Forum: Engine Tech 01-12-2015, 07:53 PM
Replies: 11
Views: 456
Posted By The Mad Porter
Cool With proper tuning and attention to build and...

With proper tuning and attention to build and assembly details I see no issue.




S
Forum: Engine Tech 01-11-2015, 01:47 PM
Replies: 31
Views: 1,162
Posted By The Mad Porter
Cool I am sure it does run pretty damned good. :D ...

I am sure it does run pretty damned good. :D

What I am getting at here is this:

With a dual pattern cam and optimized static c/r You would find another 50 to 75 HP. Not to mention that c/r =...
Forum: Engine Tech 01-10-2015, 01:52 PM
Replies: 31
Views: 1,162
Posted By The Mad Porter
Cool X@ on the static c/r From the wallace...

X@ on the static c/r



From the wallace calculator:


Camshaft, Rod Length, Boost and Altitude Correction to Compression

Static compression ratio of 9.7:1.
Forum: The Auction Block 01-10-2015, 02:34 AM
Replies: 36
Views: 2,239
Posted By The Mad Porter
Cool I will take no more entries after the 16th of...

I will take no more entries after the 16th of Jan.


1,491 views on this thread.

89 emails
25 RHP FB page likes.

(post likes on FB are not counted. Just FB page likes as well as email to...
Forum: Engine Tech 01-10-2015, 01:25 AM
Replies: 25
Views: 1,352
Posted By The Mad Porter
Cool Until these castings are in the hands of builders...

Until these castings are in the hands of builders etc no one can say definitively. For now we will have to educated guesstimate and arm chair this.
Given the better IE ratio I would venture to say...
Forum: Engine Tech 01-09-2015, 05:39 PM
Replies: 20
Views: 904
Posted By The Mad Porter
Cool I concur Carl. Even more so when using the more...

I concur Carl.
Even more so when using the more modern P-51 and SCJ style chambers...



S
Forum: Engine Build Archive 01-09-2015, 02:35 PM
Replies: 9
Views: 724
Posted By The Mad Porter
Cool Ford Red per customer request. :D ...

Ford Red per customer request.



:D



S
Forum: Engine Tech 01-09-2015, 02:03 PM
Replies: 20
Views: 904
Posted By The Mad Porter
Cool I saw that article some time ago. I agree it is a...

I saw that article some time ago. I agree it is a good read.

It uses seat timing and because of that the DCR readings are skewed lower.

The limits I mention are based on @.050" closing point +...
Forum: Engine Tech 01-09-2015, 12:07 AM
Replies: 20
Views: 904
Posted By The Mad Porter
Cool For 500+ flywheel HP with budget in mind: ...

For 500+ flywheel HP with budget in mind:

10.5 to 1 466
15 cc dished hyper pistons or forged if budget allows but not necessary imo.
(pistons dont need to be scj specific with the small cam...
Forum: Engine Tech 01-08-2015, 08:23 PM
Replies: 11
Views: 577
Posted By The Mad Porter
Cool Charlie is the business :D S

Charlie is the business :D



S
Forum: Engine Tech 01-08-2015, 08:11 PM
Replies: 11
Views: 577
Posted By The Mad Porter
Cool I was not specific in my first post but rather...

I was not specific in my first post but rather stated:


"This makes testing our EFI crate engines much easier as our program ramps up."


While I agree that a larger primary tube header would...
Forum: Engine Tech 01-08-2015, 02:44 PM
Replies: 11
Views: 577
Posted By The Mad Porter
Cool I did not even consider your post to be critical...

I did not even consider your post to be critical in any way Paul.




:D
Forum: Engine Tech 01-08-2015, 12:47 PM
Replies: 11
Views: 577
Posted By The Mad Porter
Cool To be frank paul I had though about that myself....

To be frank paul I had though about that myself. In the end I liked this deal better.


:D
Forum: Engine Tech 01-08-2015, 12:31 PM
Replies: 11
Views: 577
Posted By The Mad Porter
Cool As stated in the post I had them made to make it...

As stated in the post I had them made to make it easier to dyno our EFI engine packages with existing BBC dyno headers.

No shelf EFI header will work on the dyno. Using adapters saves me the cost...
Forum: Engine Tech 01-07-2015, 11:37 PM
Replies: 11
Views: 577
Posted By The Mad Porter
Cool A big THANK YOU to Charlie Evans !!!

.

A GREAT BIG THANK YOU to Charlie Evans for his help in getting a rough BBC header adapter for the fuelie exhaust made. He sent the adapters drilled on port center for me to hand finish.

From...
Forum: Engine Build Archive 01-07-2015, 10:47 PM
Replies: 9
Views: 724
Posted By The Mad Porter
Cool Dyno sheets with weather conditions and correction factor

The price motorsports carb adapter had 1 5/8" bores for a 600 holley.
I was not aware when I ordered that they come in 1 11/16" and 1 3/4" as well.

The engine was pulling near 2" of vacuum at WOT...
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